Hebrews 12:26 contains the promise 'Once more I will shake' that Hebrews 12:27 directly quotes and interprets.

In Hebrews 1:11, the perishable nature of creation is contrasted with God's permanence, echoing the removal of what can be shaken.

In Hebrews 10:9, the first covenant is set aside to establish the second, paralleling the removal of what can be shaken to establish the unshakable.

Psalm 102:26 declares creation perishes like a garment while God endures — directly parallel to Hebrews' removal of things made so the unshakable remains.

Psalm 102:27 affirms God's changelessness — the foundation for what remains after the shaking of creation.

Matthew 24:35 says heaven and earth pass away but Christ's words endure — same contrast between what is shaken and what remains.

2 Peter 3:10 depicts heavens and earth dissolving in fire — vivid parallel to Hebrews' removal of what is shaken.

2 Peter 3:11 urges holy living because the world will be dissolved — matching Hebrews' call to serve God after the shaking.

Revelation 11:15 shows the result of the shaking: the world's kingdoms become Christ's eternal kingdom, the unshakable reality.

Revelation 21:1 depicts the new heavens and earth that remain after the old creation is removed, exactly what cannot be shaken.

Isaiah 13:13 parallels the shaking of heavens and earth in God's day of wrath, matching the removal of what can be shaken.

Isaiah 66:22 promises the new heavens and earth that remain forever, directly corresponding to the unshakable kingdom in Hebrews.

Haggai 2:21 is the OT source of the shaking imagery that Hebrews 12:26 quotes, promising God will shake heavens and earth.